Prestressed composite concrete beam with encased H-steel is one of the structural design forms for the outer-jacketing structure for adding story.
内置H型钢混凝土组合结构是实现套建增层的结构设计形式之一。
Prestressed composite concrete beam with encased H-steel is one of the structural design forms for the outer-jacketing structure for adding story.
内置H型钢混凝土组合结构是实现套建增层的结构设计形式之一。
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